Holds if this element generates an instruction with opcode opcode and result type resultType. tag must be unique for each instruction generated from the same AST node (not just from the same TranslatedElement). If the instruction does not return a result, resultType should be VoidType.

Gets the instruction to which control should flow if an exception is thrown within this element. This will generally return first catch block of the nearest enclosing try, or the Unwind instruction for the function if there is no enclosing try.